Question: Vasoconstriction in most arterioles is associated with

Answer Options:
Increased sympathetic stimulation.
An increase in resistance.
A decrease in blood flow.
All of the above.

Answer: All of the above

Question: Bile is produced in the:

Answer Options:
a) Pancreas
b) Liver
c) Gallbladder
d) Small intestine
e) None of the above

Answer: b) Liver

Question: Without pulmonary surfactant,

Answer Options:
A. a small alveoli would tend to collapse.
B. the surface tension in the alveoli would be reduced.
C. all alveoli would be easier to inflate.
D. all of the above would occur.

Answer: A. a small alveoli would tend to collapse.

Question: In addition to the sympathetic nervous system, arteriolar radius is also extrinsically controlled by hormones.

Answer Options:
True
False

Answer: True

Question: Hemoglobin saturation decreases when

Answer Options:
A. blood acidity decreases.
B. PO2 increases.
C. body temperature decreases.
D. all of the above occur.

Answer: D. all of the above occur.

Question: The most prevalent ions secreted by the nephron tubules are

Answer Options:
A. sodium and hydrogen.
B. sodium and potassium.
C. chloride and potassium.
D. hydrogen and potassium.

Answer: D. hydrogen and potassium.

Question: The central chemoreceptors, located in the ________, detect changes in ________ in the ________.

Answer Options:
A. Medulla oblongata; H+ concentration; arterial blood
B. Aorta; PO2; arterial blood
C. Medulla oblongata; H+ concentration; cerebrospinal fluid

Answer: C. Medulla oblongata; H+ concentration; cerebrospinal fluid

Question: The excretion rate of a substance filtered, but not reabsorbed or secreted, always equals the filtration rate.

Answer Options:
A. True
B. False

Answer: A. True

Question: Short-term adjustments in blood pressure are mediated by

Answer Options:
A. the baroreceptor reflex.
B. changes in cardiac output.
C. both of the above.
D. neither of the above.

Answer: C. both of the above.

Question: The iron (Fe) atom within a heme group is capable of binding one molecule of oxygen (O2). Because each hemoglobin protein contains four heme groups, each molecule of hemoglobin may bind up to four molecules of O2.

Answer Options:
True
False

Answer: True

Question: Combinationalism argues that Christianity is logical, factual, and livable- thus asserting that Christianity corresponds to reality while non-Christian worldviews fall short.

Answer Options:
True
False

Answer: True

Question: It is safe for a patient with type B blood to receive red blood cells from donors with which blood type?

Answer Options:
A. A
B. B, O
C. AB
D. A,B,AB,O

Answer: B. B, O

Question: All of the following are absorbed in the stomach except:

Answer Options:
Water
Alcohol
Acetaminophen
Amino acids

Answer: Amino acids

Question: In a healthy subject, which type of leukocyte is most abundant in the blood?

Answer Options:
A. Monocytes
B. Basophils
C. Eosinophils
D. Neutrophils

Answer: D. Neutrophils

Question: Bile is produced in the:

Answer Options:
Pancreas
Gallbladder
Liver
Small intestine
None of the above

Answer: Liver

Question: ______ is the main driving force for propelling blood to the tissues.

Answer Options:
A. Diastolic pressure
B. Mean arterial pressure
C. Pulse pressure
D. None of the above

Answer: B. Mean arterial pressure

Question: Which of the following does not describe arterioles?

Answer Options:
A. Their radius (diameter) can vary depending on the metabolic demands of the tissues they supply.
B. They are the vessels that overwhelmingly contribute to total peripheral resistance.
C. Most are innervated by sympathetic and parasympathetic nerve fibers.
D. All of the above describe arterioles.

Answer: C. Most are innervated by sympathetic and parasympathetic nerve fibers.

Question: Of the following choices, hemoglobin has the greatest affinity for

Answer Options:
A. carbon dioxide (CO2).
B. oxygen (O2).
C. carbon monoxide (CO).
D. nitrogen (N2).

Answer: C. carbon monoxide (CO).

Question: Amino acids are absorbed into intestinal mucosal cells through:

Answer Options:
Simple diffusion
Osmosis
Facilitated diffusion
Active transport

Answer: Facilitated diffusion

Question: Which of the following is true regarding blood pressure?

Answer Options:
A. Pressure increases with decreasing resistance.
B. Pressure decreases with decreasing vessel diameter.
C. Mean arterial pressure (MAP) increases with sympathetic activity.
D. All of the above are true.

Answer: D. All of the above are true.

Question: When not combined with O2, hemoglobin is referred to as deoxyhemoglobin.

Answer Options:
True
False

Answer: True