The resting membrane potential of a neuron is mainly determined by the permeability to:
Anonymous Quiz
21%
A. Sodium
18%
B. Calcium
55%
C. Potassium
6%
D. Chloride
❤7
. Which ion is responsible for the depolarization phase of the action potential?
Anonymous Quiz
20%
A. K⁺
60%
B. Na⁺
15%
C. Ca²⁺
5%
D. Cl⁻
❤6
Q3. The sodium-potassium pump moves:
Anonymous Quiz
64%
A. 3 Na⁺ out and 2 K⁺ in
12%
B. 2 Na⁺ out and 3 K⁺ in
21%
C. 3 Na⁺ in and 2 K⁺ out
3%
D. Equal amounts of Na⁺ and K⁺
❤8
Total body water in a normal adult represents approximately:
Anonymous Quiz
10%
A. 40% of body weight
8%
B. 50% of body weight
54%
C. 60% of body weight
28%
D. 70% of body weight
❤5
Intracellular fluid (ICF) represents about:
Anonymous Quiz
21%
A. 1/4 of total body water
23%
B. 1/3 of total body water
44%
C. 2/3 of total body water
12%
D. 3/4 of total body water
❤5
Extracellular fluid (ECF) represents approximately:
Anonymous Quiz
9%
A. 10% of body weight
47%
B. 20% of body weight
19%
C. 30% of body weight
24%
D. 40% of body weight
❤8
The largest compartment of the extracellular fluid is:
Anonymous Quiz
49%
A. Plasma
8%
B. Transcellular fluid
31%
C. Interstitial fluid
13%
D. Intracellular fluid
❤5
Edema is mainly caused by accumulation of fluid in the:
Anonymous Quiz
25%
A. Plasma
29%
B. Intracellular fluid
37%
C. Interstitial fluid
10%
D. Transcellular fluid
❤6
Bioenergetics is the study of:
Anonymous Quiz
5%
A. Fluid balance in the body
89%
B. Energy transformation in living cells
5%
C. Hormonal regulation
1%
D. Muscle contraction only
❤4
. Basal Metabolic Rate (BMR) represents:
Anonymous Quiz
13%
A. Total daily energy expenditure
16%
B. Energy used during exercise
66%
C. Energy required for vital functions at rest
6%
D. Energy from food only
❤5
. Slow oxidative muscle fibers (Type I) are best adapted for:
Anonymous Quiz
32%
A. Short explosive movements
30%
B. Endurance and posture
16%
C. Rapid fatigue
22%
D. Anaerobic activity
❤5
. A motor unit is defined as:
Anonymous Quiz
15%
A. One muscle fiber
17%
B. One muscle and its nerve
48%
C. One motor neuron and all the fibers it innervates
20%
D. All muscles innervated by one nerve
❤4
. The thick filament of skeletal muscle is composed mainly of:
Anonymous Quiz
31%
A. Actin
8%
B. Troponin
9%
C. Tropomyosin
51%
D. Myosin
❤4
امتحان مادة الفيزيولوجي طلبة سنة اولى طب كلية وهران
#DOCTORS@dctr2004
#DOCTORS@dctr2004
❤16
للمعلومة فقط😊👀 ورد هاذ السؤال في امتحان طلبة وهران ولقد قمت بعمل سؤال متطابق له نشرناه البارحة✅ في مراجعة كويز فيزيولوجي مجانااا على قناة دكاترة
#DOCTORS@dctr2004
#DOCTORS@dctr2004
❤25
هاذا السؤال اللي قمنا بنشره مسبقا تابعونا للمزيد أن شاء الله ✅🔥👇🏻
❤10
Forwarded from 𝗗𝗢𝗖𝗧𝗢𝗥𝗦 | دكاترة
Q3. The sodium-potassium pump moves:
Anonymous Quiz
64%
A. 3 Na⁺ out and 2 K⁺ in
12%
B. 2 Na⁺ out and 3 K⁺ in
21%
C. 3 Na⁺ in and 2 K⁺ out
3%
D. Equal amounts of Na⁺ and K⁺
❤7🫡5
🔴 نقيب الأطباء المصري : فتح كليات الطب بدون مستشفى جامعي هو جريمة
😭47❤28🫡21😢6