PAX PAX (NLN) 3 — Questions and Answers
Question 1: A recipe requires 2.5 cups of flour for 12 cookies. How many cups are needed for 30 cookies?
- 5.25 cups
- 6 cups
- 6.25 cups (Correct answer)
- 7 cups
Correct answer: 6.25 cups
Set up the proportion: 2.5/12 = x/30, so x = (2.5 × 30)/12 = 6.25 cups.
Question 2: Which type of muscle is found in the walls of hollow organs such as the stomach and intestines?
- Cardiac muscle
- Skeletal muscle
- Smooth muscle (Correct answer)
- Voluntary muscle
Correct answer: Smooth muscle
Smooth muscle is involuntary and lines the walls of hollow organs throughout the body.
Question 3: Select the correctly punctuated sentence.
- The patient although nervous agreed to the procedure.
- The patient, although nervous, agreed to the procedure. (Correct answer)
- The patient although, nervous agreed to the procedure.
- The patient, although nervous agreed, to the procedure.
Correct answer: The patient, although nervous, agreed to the procedure.
A parenthetical phrase like 'although nervous' must be set off with commas on both sides.
Question 4: Which process converts glucose into pyruvate without using oxygen?
- Oxidative phosphorylation
- Krebs cycle
- Glycolysis (Correct answer)
- Electron transport chain
Correct answer: Glycolysis
Glycolysis is the anaerobic breakdown of glucose into two pyruvate molecules in the cytoplasm.
Question 5: What is 15% of 240?
- 30
- 36 (Correct answer)
- 40
- 48
Correct answer: 36
15% of 240 = 0.15 × 240 = 36.
Question 6: The word 'tachycardia' uses which root meaning 'fast'?
- cardio
- tachy (Correct answer)
- brady
- emia
Correct answer: tachy
'Tachy-' is the Greek prefix meaning fast, as in tachycardia (fast heart rate).
Question 7: In which layer of the skin are sweat glands and hair follicles found?
- Epidermis
- Hypodermis
- Dermis (Correct answer)
- Stratum corneum
Correct answer: Dermis
The dermis contains sweat glands, hair follicles, blood vessels, and nerve endings.
PAX PAX (NLN) 3
A recipe requires 2.5 cups of flour for 12 cookies.
How many cups are needed for 30 cookies?