PHYL 142 Final Exam Graded A+
A blockage in the external iliac artery will reduce blood flow to the
A. abdominal aorta
B. common iliac artery
C. external iliac artery
D. ileal artery
E. femoral artery - ANSWER-E. femoral artery
A hollow ball of cells called the blastocyst is formed by day 5, post fertilization.
True
False - ANSWER-true
After syngamy, the secondary oocyte completes
Mitosis.
Meiosis I.
Meiosis II. - ANSWER-Meiosis II
All of the following statements about a blastocyst are true EXCEPT:
- develops about 5 days after fertilization.
- still surrounded by the zona pellucida.
- comprised of blastomeres reorganized around the blastocyst cavity.
- still about the size of the original zygote.
- organized as embryoblast and trophoblast. - ANSWER-still surrounded by the zona
pellucida.
All the veins of the systemic circulation eventually drain into the
A. coronary sinus
B. inferior vena cava
C. superior vena cava
D. aorta
E. superior and inferior vena cava - ANSWER-E. superior and inferior vena cava
An example of a negative feedback loop would be:
A. all of these
B. the release of glucagon in response to low blood sugar
C. the release of oxytocin in response to stretching of the uterus
D. the release of a hormone in response to a single stimulus - ANSWER-B. the release
of glucagon in response to low blood sugar
An example of positive feedback loop would be:
A. the release of glucagon in response to low blood sugar
,B. all of the above
C. the release of oxytocin in response to stretching of the uterus
D. the release of a hormone in response to a single stimulus - ANSWER-C. the release
of oxytocin in response to stretching of the uterus
Atrial systole is necessary to - ANSWER-fill the ventricles with blood
Autonomic motor neurons regulate visceral activities by
1. increasing activities in effector tissue
2. decreasing activities in effector tissue
3. allowing bidirectional conduction across - ANSWER-increasing activities in effector
tissue
decreasing activities in effector tissue
Autonomic motor pathways consist of two motor neurons in series.
The first neuron ___________ has its cell body in the CNS;
its myelinated axon extends from CNS to an autonomic ganglion. (Recall that a ganglion
is a collection of neuronal cell bodies In the PNS.)
The cell body of the second neuron ________is also in that same autonomic ganglion;
its unmyelinated axon extends directly from the ganglion to the effector (smooth muscle,
cardiac muscle, or a gland). - ANSWER-1. preganglionic neuron
2. postganglionic neuron)
Blood leaving the left ventricle passes through which of the following structures?
A. Bicuspid valve
B. Pulmonary semilunar valve
C. Interventricular septum
D. Right atrium
E. Aortic semilunar valve - ANSWER-E. Aortic semilunar valve
Buffer systems, exhaling carbon dioxide and excretion by the kidneys, are all
A. Ways to increase blood volume
B. Ways of controlling H+ levels in the body
C. Ways to make ions
D. Ways to balance interstitial fluid
E. Means of balancing blood volume - ANSWER-B. Ways of controlling H+ levels in the
body
Cardiac excitation begins in the - ANSWER-Sinoatrial SA node
Cardiac output - ANSWER-heart rate x stroke volume
Chemical digestion begins.. - ANSWER-In the mouth: salivary amylase converts starch
-> maltose, maltriose, and a-dextrins.
, Stomach: pepsin converts proteins to peptides, and lingual/gastric lipases convert
triglycerides into FA, digly and monon.
SI: chyme enters partially digested carbs, prot, lipods.
Complete digestion with pancreatic juice and, bile and intestinal in SI
Cholinergic receptors include
A. nicotinic and muscarinic receptors
B. muscarinic, alpha, and beta receptors
C. adrenergic and nicotinic receptors
D. nicotinic and adrenergic receptors - ANSWER-A. nicotinic and muscarinic receptors
Complex inheritance may account for differences in
1. skin and hair color.
2. height and body build.
3. ABO and Rh phenotypes. - ANSWER-1. skin and hair color.
2. height and body build.
Consider a child whose mother has A positive blood and father has B positive blood.
Which of the following situations is possible?
The child could be AB positive.
The child could be A positive.
The child could be B positive.
The child could be O negative.
All of these choices are possibilities. - ANSWER-All
Contraction of the atria of the heart leads to blood moving directly ______.
A. into veins
B. through semilunar valves
C. into arteries
D. through atrioventricular valves
E. into auricles - ANSWER-D. through atrioventricular valves
Digestion of Carbohydrates - ANSWER-carbohydrates
amylase in mouth
amylase in pancreas
sucrase/ lactase/ maltase/ isomaltase in small intestine/brush boarder
glucose, galactose, fructose
A blockage in the external iliac artery will reduce blood flow to the
A. abdominal aorta
B. common iliac artery
C. external iliac artery
D. ileal artery
E. femoral artery - ANSWER-E. femoral artery
A hollow ball of cells called the blastocyst is formed by day 5, post fertilization.
True
False - ANSWER-true
After syngamy, the secondary oocyte completes
Mitosis.
Meiosis I.
Meiosis II. - ANSWER-Meiosis II
All of the following statements about a blastocyst are true EXCEPT:
- develops about 5 days after fertilization.
- still surrounded by the zona pellucida.
- comprised of blastomeres reorganized around the blastocyst cavity.
- still about the size of the original zygote.
- organized as embryoblast and trophoblast. - ANSWER-still surrounded by the zona
pellucida.
All the veins of the systemic circulation eventually drain into the
A. coronary sinus
B. inferior vena cava
C. superior vena cava
D. aorta
E. superior and inferior vena cava - ANSWER-E. superior and inferior vena cava
An example of a negative feedback loop would be:
A. all of these
B. the release of glucagon in response to low blood sugar
C. the release of oxytocin in response to stretching of the uterus
D. the release of a hormone in response to a single stimulus - ANSWER-B. the release
of glucagon in response to low blood sugar
An example of positive feedback loop would be:
A. the release of glucagon in response to low blood sugar
,B. all of the above
C. the release of oxytocin in response to stretching of the uterus
D. the release of a hormone in response to a single stimulus - ANSWER-C. the release
of oxytocin in response to stretching of the uterus
Atrial systole is necessary to - ANSWER-fill the ventricles with blood
Autonomic motor neurons regulate visceral activities by
1. increasing activities in effector tissue
2. decreasing activities in effector tissue
3. allowing bidirectional conduction across - ANSWER-increasing activities in effector
tissue
decreasing activities in effector tissue
Autonomic motor pathways consist of two motor neurons in series.
The first neuron ___________ has its cell body in the CNS;
its myelinated axon extends from CNS to an autonomic ganglion. (Recall that a ganglion
is a collection of neuronal cell bodies In the PNS.)
The cell body of the second neuron ________is also in that same autonomic ganglion;
its unmyelinated axon extends directly from the ganglion to the effector (smooth muscle,
cardiac muscle, or a gland). - ANSWER-1. preganglionic neuron
2. postganglionic neuron)
Blood leaving the left ventricle passes through which of the following structures?
A. Bicuspid valve
B. Pulmonary semilunar valve
C. Interventricular septum
D. Right atrium
E. Aortic semilunar valve - ANSWER-E. Aortic semilunar valve
Buffer systems, exhaling carbon dioxide and excretion by the kidneys, are all
A. Ways to increase blood volume
B. Ways of controlling H+ levels in the body
C. Ways to make ions
D. Ways to balance interstitial fluid
E. Means of balancing blood volume - ANSWER-B. Ways of controlling H+ levels in the
body
Cardiac excitation begins in the - ANSWER-Sinoatrial SA node
Cardiac output - ANSWER-heart rate x stroke volume
Chemical digestion begins.. - ANSWER-In the mouth: salivary amylase converts starch
-> maltose, maltriose, and a-dextrins.
, Stomach: pepsin converts proteins to peptides, and lingual/gastric lipases convert
triglycerides into FA, digly and monon.
SI: chyme enters partially digested carbs, prot, lipods.
Complete digestion with pancreatic juice and, bile and intestinal in SI
Cholinergic receptors include
A. nicotinic and muscarinic receptors
B. muscarinic, alpha, and beta receptors
C. adrenergic and nicotinic receptors
D. nicotinic and adrenergic receptors - ANSWER-A. nicotinic and muscarinic receptors
Complex inheritance may account for differences in
1. skin and hair color.
2. height and body build.
3. ABO and Rh phenotypes. - ANSWER-1. skin and hair color.
2. height and body build.
Consider a child whose mother has A positive blood and father has B positive blood.
Which of the following situations is possible?
The child could be AB positive.
The child could be A positive.
The child could be B positive.
The child could be O negative.
All of these choices are possibilities. - ANSWER-All
Contraction of the atria of the heart leads to blood moving directly ______.
A. into veins
B. through semilunar valves
C. into arteries
D. through atrioventricular valves
E. into auricles - ANSWER-D. through atrioventricular valves
Digestion of Carbohydrates - ANSWER-carbohydrates
amylase in mouth
amylase in pancreas
sucrase/ lactase/ maltase/ isomaltase in small intestine/brush boarder
glucose, galactose, fructose
