Physiology I - Exam 1 - Practice Questions Flashcards
(48 cards)
1
Q
A
A channel protein
2
Q
A
D. Rough endoplasmic reticulum
3
Q
A
A. Clathrin
4
Q
A
C. Breakdown of glucose to pyruvic acid
5
Q
A
C. Active transport
6
Q
A
A. Sodium
7
Q
A
B. Primary active transport
8
Q
A
C. Secondary active transport
9
Q
A
C. Secondary active transport
10
Q
A
D. Facilitated diffusion
11
Q
A
A. Sodium channels and sodium ATPase pumps
12
Q
A
C. Sodium ions
13
Q
A
C. Cells are mononucleated.
14
Q
A
D. Stage 4.
15
Q
A
D. Secondary active transport involving an antiporter.
16
Q
A
C. Closure of AV valve.
17
Q
A
A. It occurs when the left ventricular pressure is above 80 mm Hg.
18
Q
A
C. Atrial contraction
19
Q
A
A. The greater the stretching of cardiac muscle, the greater the force of contraction.
20
Q
A
B. Increasing EDV.
21
Q
A
A. Heart will become dilated.
22
Q
A
D. P
23
Q
A
B. 80ml
24
Q
A
B. 60%
25
A. at the beginning of systole
26
C. Neostigmine inactivates acetylcholinesterase, allowing more acetylcholine molecules to bind to receptors and create stronger end plate potentials.
27
C. Dense bars
28
B. Two.
29
C. An end-plate potential is created on the muscle fiber.
30
D. Golgi
31
B. Neostigmine
32
C. The triceps muscle while lowering the body to the floor during a push-up.
33
C. Their flight muscle fibers would have small concentrations of ATPase.
34
C. Release of the myosin head from the actin binding site
35
(C) Myofibril
36
(A) A band
37
(C) I band
38
(C) T tubules
39
(A) Sarcoplasmic reticulum
40
(B) Calcium Ion Influx into Axon Terminal
41
(C) 100
42
(A) Calsequestrin
43
(D) They are more fatigable than slow twitch fibers.
44
(C) The triceps muscle while lowering the body to the floor during a push-up.
45
C. Large diameter, myelinated
46
D. Axon
47
B. Non-gated sodium
48
D. -90 mV
