BIO 169 Exam 1 with correct answers
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_________ |acts |via |gene |activation |even |though |it |is |a(n) |_____________ |hormone. |- |✔✔Thyroxine, |
amino |acid |based
_________ |is |a |second |messenger |that |activates |____________ |to |alter |cell |activity. |- |✔✔cAMP, |
protein |kinases
__________ |is |produced |in |the |hypothalamus |but |released |from |the |___________ |pituitary |gland. |- |
✔✔ADH, |posterior
A |_________ |allows |an |organ |to |recieve |blood |from |more |then |one |arterial |source |or |drain |blood |
into |more |then |one |vein. |- |✔✔vascular |anastomoses
A |decrease |in |hematocrit |will |result |in |a |decrease |in |____________ |resulting |in |a |decrease |in |blood |
pressure. |- |✔✔blood |viscosity
A |hematopoietic |stem |cell |(hemocytoblast) |can |become |- |✔✔all |of |the |above
A |thrombus |becomes |an |embolus |when |- |✔✔it |dislodges |from |the |vessel |and |moves |in |the |
circulatory |system.
After |one |oxygen |molecule |binds |to |hemoglobin, |it |is |easier |for |the |other |molecules |to |bind |tot |the |
hemoglobin. |This |is |known |as |___________ |- |✔✔Cooperative |Binding
Anemia |can |be |caused |by |- |✔✔all |of |the |above
Arteries |can |be |best |defined |as |- |✔✔vessels |that |carry |blood |away |from |the |heart.
Because |of |the |structure |of |the |purkinje |fibers |the |heart |begins |the |ventricle |contraction |at |the |
______. |- |✔✔Apex
CO2 |binds |with |water |to |form |carbonic |acid. |This |reaction |is |catalyzed |by |the |enzyme |
________________ |- |✔✔carbonic |anhydrase
Diapedesis |is |- |✔✔a |cells |ability |to |leave |the |capillary.
Endocrine |cells |___________ |, |where |as |________ |cells |secrete |chemicals |that |act |locally |affecting |
cells |other |than |those |that |secreted |them. |- |✔✔release |their |produce |into |the |blood |stream, |
paracrine
Fibrinolysis |is |- |✔✔the |process |of |removing |a |clot |once |healing |has |occured.
For |the |repolarization |phase |of |an |SA |nodal |cell |action |potential: |- |✔✔calcium |channels |close |and |
potassium |channels |open.
Hematopoiesis |occurs |in |- |✔✔the |red |bone |marrow.
Hemoglobin |is |- |✔✔made |of |protein |and |a |heme |containing |iron.
, How |do |waves |of |depolarization, |generated |by |authorhythmic |cells |spread |to |the |muscle |cells? |- |
✔✔via |gap |junctions
If |the |cadiac |output |has |been |raised |then |- |✔✔the |heart |rate |has |increased.
If |thrombin |was |inactivated |after |being |made |which |of |the |following |would |not |be |able |to |occur? |- |
✔✔Fibrinogen |would |not |be |converted |to |fibrin.
If |your |patient |has |blood |type |A- |which |of |the |following |donors |would |be |acceptable |for |a |whole |
blood |transfusion? |- |✔✔Donor |with |blood |type |O-
Increased |cardiac |output |will |cause |an |_______________ |in |blood |pressure. |- |✔✔Increase
Lipid |soluble |hormones |such |as |__________ |and |____________ |bind |to |receptors |located |
___________ |- |✔✔steroids, |thyroid |hormone, |in |the |cell |nucleus
Low |calcium |levels |would |___________ |heart |activity. |- |✔✔decrease
Parathyroid |gland |produces |a |hormone |that |- |✔✔increases |the |level |of |calcium |ions |in |the |blood
The |______ |is |the |portion |of |the |electrocardiograph |that |represents |the |depolarization |of |the |
Sinoatrial |node, |which |will |be |followed |by |atrial |contraction. |- |✔✔P |wave
The |biconcave |shape |of |the |erythrocyte |- |✔✔all |of |the |above
The |buffy |coat |contains |- |✔✔leukocytes
The |cardiac |muscle |is |mostly |found |in |the |________ |layer |of |the |heart. |- |✔✔myocardium
The |hormone |oxytocin |- |✔✔promotes |uterine |contractions
The |inability |of |the |pancreas |to |produce |insulin |would |result |in |- |✔✔diabeties |mellitus
The |intrinsic |conduction |system |of |the |heart |- |✔✔pauses |between |the |AV |node |and |the |AV |bundle |
so |the |atria |can |finish |contracting |before |the |ventricles |begin.
The |pericardial |cavity |- |✔✔all |of |the |above
The |plasma |membranes |of |adjacent |cardiac |cells |are |meshed |together |at |__________ |where |
_________ |prevent |cells |from |separating |during |contraction. |- |✔✔intercalated |discs, |desmosomes
The |posterior |pituitary |gland |is |connected |via |the |___________ |to |the |hypothalamus |and |secretes |
________________________ |hormones. |- |✔✔hypothalamic |hypophyseal |tract, |ADH |Oxytocin
The |pulmonary |circuit |- |✔✔involves |the |lungs |and |blood |from |the |right |side |of |the |heart.
The |systolic |pressure |- |✔✔all |of |the |above
This |endocrine |gland |is |located |above |the |kidneys |- |✔✔adrenal
This |endocrine |gland |is |located |in |the |neck, |in |front |of |the |trachea. |- |✔✔thyroid |gland
This |hormone |is |secreted |from |the |pancreas |and |is |responsible |for |lowering |our |blood |sugar |levels |- |
✔✔insulin
| | | | | |
_________ |acts |via |gene |activation |even |though |it |is |a(n) |_____________ |hormone. |- |✔✔Thyroxine, |
amino |acid |based
_________ |is |a |second |messenger |that |activates |____________ |to |alter |cell |activity. |- |✔✔cAMP, |
protein |kinases
__________ |is |produced |in |the |hypothalamus |but |released |from |the |___________ |pituitary |gland. |- |
✔✔ADH, |posterior
A |_________ |allows |an |organ |to |recieve |blood |from |more |then |one |arterial |source |or |drain |blood |
into |more |then |one |vein. |- |✔✔vascular |anastomoses
A |decrease |in |hematocrit |will |result |in |a |decrease |in |____________ |resulting |in |a |decrease |in |blood |
pressure. |- |✔✔blood |viscosity
A |hematopoietic |stem |cell |(hemocytoblast) |can |become |- |✔✔all |of |the |above
A |thrombus |becomes |an |embolus |when |- |✔✔it |dislodges |from |the |vessel |and |moves |in |the |
circulatory |system.
After |one |oxygen |molecule |binds |to |hemoglobin, |it |is |easier |for |the |other |molecules |to |bind |tot |the |
hemoglobin. |This |is |known |as |___________ |- |✔✔Cooperative |Binding
Anemia |can |be |caused |by |- |✔✔all |of |the |above
Arteries |can |be |best |defined |as |- |✔✔vessels |that |carry |blood |away |from |the |heart.
Because |of |the |structure |of |the |purkinje |fibers |the |heart |begins |the |ventricle |contraction |at |the |
______. |- |✔✔Apex
CO2 |binds |with |water |to |form |carbonic |acid. |This |reaction |is |catalyzed |by |the |enzyme |
________________ |- |✔✔carbonic |anhydrase
Diapedesis |is |- |✔✔a |cells |ability |to |leave |the |capillary.
Endocrine |cells |___________ |, |where |as |________ |cells |secrete |chemicals |that |act |locally |affecting |
cells |other |than |those |that |secreted |them. |- |✔✔release |their |produce |into |the |blood |stream, |
paracrine
Fibrinolysis |is |- |✔✔the |process |of |removing |a |clot |once |healing |has |occured.
For |the |repolarization |phase |of |an |SA |nodal |cell |action |potential: |- |✔✔calcium |channels |close |and |
potassium |channels |open.
Hematopoiesis |occurs |in |- |✔✔the |red |bone |marrow.
Hemoglobin |is |- |✔✔made |of |protein |and |a |heme |containing |iron.
, How |do |waves |of |depolarization, |generated |by |authorhythmic |cells |spread |to |the |muscle |cells? |- |
✔✔via |gap |junctions
If |the |cadiac |output |has |been |raised |then |- |✔✔the |heart |rate |has |increased.
If |thrombin |was |inactivated |after |being |made |which |of |the |following |would |not |be |able |to |occur? |- |
✔✔Fibrinogen |would |not |be |converted |to |fibrin.
If |your |patient |has |blood |type |A- |which |of |the |following |donors |would |be |acceptable |for |a |whole |
blood |transfusion? |- |✔✔Donor |with |blood |type |O-
Increased |cardiac |output |will |cause |an |_______________ |in |blood |pressure. |- |✔✔Increase
Lipid |soluble |hormones |such |as |__________ |and |____________ |bind |to |receptors |located |
___________ |- |✔✔steroids, |thyroid |hormone, |in |the |cell |nucleus
Low |calcium |levels |would |___________ |heart |activity. |- |✔✔decrease
Parathyroid |gland |produces |a |hormone |that |- |✔✔increases |the |level |of |calcium |ions |in |the |blood
The |______ |is |the |portion |of |the |electrocardiograph |that |represents |the |depolarization |of |the |
Sinoatrial |node, |which |will |be |followed |by |atrial |contraction. |- |✔✔P |wave
The |biconcave |shape |of |the |erythrocyte |- |✔✔all |of |the |above
The |buffy |coat |contains |- |✔✔leukocytes
The |cardiac |muscle |is |mostly |found |in |the |________ |layer |of |the |heart. |- |✔✔myocardium
The |hormone |oxytocin |- |✔✔promotes |uterine |contractions
The |inability |of |the |pancreas |to |produce |insulin |would |result |in |- |✔✔diabeties |mellitus
The |intrinsic |conduction |system |of |the |heart |- |✔✔pauses |between |the |AV |node |and |the |AV |bundle |
so |the |atria |can |finish |contracting |before |the |ventricles |begin.
The |pericardial |cavity |- |✔✔all |of |the |above
The |plasma |membranes |of |adjacent |cardiac |cells |are |meshed |together |at |__________ |where |
_________ |prevent |cells |from |separating |during |contraction. |- |✔✔intercalated |discs, |desmosomes
The |posterior |pituitary |gland |is |connected |via |the |___________ |to |the |hypothalamus |and |secretes |
________________________ |hormones. |- |✔✔hypothalamic |hypophyseal |tract, |ADH |Oxytocin
The |pulmonary |circuit |- |✔✔involves |the |lungs |and |blood |from |the |right |side |of |the |heart.
The |systolic |pressure |- |✔✔all |of |the |above
This |endocrine |gland |is |located |above |the |kidneys |- |✔✔adrenal
This |endocrine |gland |is |located |in |the |neck, |in |front |of |the |trachea. |- |✔✔thyroid |gland
This |hormone |is |secreted |from |the |pancreas |and |is |responsible |for |lowering |our |blood |sugar |levels |- |
✔✔insulin