BIO 235 Final 2027 | Questions & Answers | Study Pack | 100% Accurate

BIO 235 Final 2027 | Questions & Answers | Study Pack | 100%
Accurate

Question 1.
carbonic anhydrase catalyzes

Correct Answer: the conversion of metabolically produced C)2 and water into
carbonic acid


Question 2.
fixed phagocytic macrophages

Correct Answer: remove most old erythrocytes from circulation


Question 3.
Location of fixed phagocytic macrophages

Correct Answer: narrow capillaries of the spleen


Question 4.
Undifferentiated cells called pluripotent stem cells reside

Correct Answer: in the bone marrow


Question 5.
pluripotent stem cells

Correct Answer: continuously divide and develop myeloid stem cells and
lymphoid stem cells to give rise to each of the types of blood cells


Question 6.
emigration or diapedesis

Correct Answer: The process of leukocytes squeezing through the capillary
endothelium to exit the vasculature


Question 7.
agglutinins

Correct Answer: genetically-determined glycoprotein and glycolipid antigens
found on the surface of an erythrocyte


Question 8.
ESV

,Correct Answer: volume of blood in the ventricle after ejection has been
completed


Question 9.
Increase in ESV when

Correct Answer: stroke volume is decreased


Question 10.
Three cations with important effect on heart function

Correct Answer: K+, Ca2+, and Na+


Question 11.
Increased blood levels of NA+

Correct Answer: blocks Ca2+ inflow and decreases force of contraction


Question 12.
Excess in K+

Correct Answer: blocks generation of action potentials


Question 13.
pharynx

Correct Answer: serves as a sound resonating chamber, contains tonsils,
directs air flow inferiorly


Question 14.
larynx

Correct Answer: passes air form pharynx into windpipe, site of sound
production


Question 15.
paranasal sinuses

Correct Answer: resonates sound, not part of the pharynx


Question 16.
fauces

Correct Answer: opening from oral cavity into pharynx

,Question 17.
tertiary bronchus

Correct Answer: carries air to a segment of a lung
• terminal bronchiole -✓✓carries air directly into a respiratory bronchiole


Question 18.
pleural membranes

Correct Answer: surround the lungs


Question 19.
surfactant

Correct Answer: reduces surface tension at sites of gas exchange


Question 20.
alveoli

Correct Answer: actual sites of gas exchange


Question 21.
eupnea

Correct Answer: normal, quiet breathing


Question 22.
costal breathing

Correct Answer: shallow breathing using just the external intercostal muscles


Question 23.
compliance

Correct Answer: amount of effort required to expand the lungs and chest wall


Question 24.
inspiratory capacity

Correct Answer: tidal volume + inspiratory reserve volume, usually about
3600 mL in males


Question 25.
vital capacity

, Correct Answer: tidal volume + inspiratory reserve volume + expiratory
reserve volume; usually about 4800 mL in males


Question 26.
functional residual capacity

Correct Answer: residual volume + expiratory reserve volume; usually about
2400 mL in males


Question 27.
Henry's law

Correct Answer: states that the amount of gas that will dissolve in a liquid is
proportional to the partial pressure of that gas and its solubility


Question 28.
Bohr effect

Correct Answer: when pH decreases, O2 saturation of hemoglobin decreases


Question 29.
Dalton's law

Correct Answer: each gas in a mixture of gases exerts its own partial pressure


Question 30.
medulla oblongata

Correct Answer: sets basic rhythm of breathing


Question 31.
pons

Correct Answer: includes the pontine respiratory group


Question 32.
Blood is

Correct Answer: a connective tissue that consists of blood plasma (liquid) plus
formed elements (red blood cells, white blood cells, and platelets)


Question 33.
Whole blood

Correct Answer: blood plasma and formed elements