Physiology 7 final

Question 1

Which of the following is an enzyme?

Answer 1

B. Lipase

Question 2

The last step for blood clotting is when thrombin reacts with fibrinogen to change it to…

Answer 2

A. Fibrin

Question 3

The process of ____takes place in the ____

Answer 3

A. Transcription, nucleus

Question 4

In a normal, healthy individual, bile is produced in the …

Answer 4

D. Liver

Question 5

___are weak phagocytes and can defend against parasitic worms

Answer 5

D. Eosinophils

Question 6

EPSP’s and Action Potentials (AP’s) are different in that…

Answer 6

D. EPSP’s induce depolarization.

Question 7

EPSP’s and IPSP’s are similar in that both…

Answer 7

b. can summate

Question 8

A patient has lost some blood and his stroke volume ha decreased to 40ml/beat with a heart rate of 100 beats/min. This patient’s cardiac output is estimated to be…

Answer 8

A. 4 litres/min

Question 9

Pick the odd pair…

Answer 9

A. Cerebellum, blood pressure

Question 10

Inhibitory postsynaptic potentials (IPSP’s or IPP’s) can produce…

Answer 10

A. Hyperpolarization

Question 11

A neuron has a threshold potential of -58 mv and RMP of -70mv. If this neuron receives 4 IPSP’s at 4mv each and 5 EPSP’s at 6 mv each

Answer 11

C. The resulting depolarizing force will eventually produce an action potential. ???

Question 12

____is the functional link between two neurons

Answer 12

B. Synapse

Question 13

In the heart, tricuspid valves are located between…

Answer 13

D. Right Atrium and right ventricle

Question 14

If potassium channels in the plasma membrane of a neuron open, potassium will.

Answer 14

C. Leave the cell

Question 15

In the pulmonary circulation, blood leaves the heart via ___and returns to the heart via ___

Answer 15

C. Pulmonary artery, pulmonary vein

Question 16

____are the most abundant type of white blood cells and have phagocytic function.

Answer 16

B. Neutrophils

Question 17

____substances dissolve in water whereas ____substances do not.

Answer 17

D. Lipophobic, hydrophilic

Question 18

In a normal healthy individual destruction of red blood cells occurs predominantly in the …

Answer 18

B. spleen

Question 19

Which one of the following vessels contains the lowest amount of oxygen?

Answer 19

B. Pulmonary artery

Question 20

Cardiac rate of a mouse is measured to be 100 beats/min and its stroke volume is 10 ml/beat. The cardiac output is calculated to be…

Answer 20

D. One litre/min

Question 21

with respect to the resting membrane potential RMP

Answer 21

d. a hyperpolorizing neuron is more negative