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1)Classify the locations of digestion into voluntary and involuntary stages 1. E

ID: 50572 • Letter: 1

Question

1)Classify the locations of digestion into voluntary and involuntary stages

1. Esophagus
2. Large intestine
3. Mouth/oral cavity
4. Pharynx
5. Small intestine
6. Stomach

Voluntary: 1, 4; Involuntary: 2, 3, 5, 6

Voluntary: 4; Involuntary: 1, 2, 3, 5, 6

Voluntary: 3, Involuntary: 1, 2, 5, 6

Voluntary: 3, 2; Involuntary: 1, 4, 5, 6

2)Which of the following vitamins is not likely to cause overdose problems in humans?

Vitamin A

Vitamin B12

Vitamin D

Vitamin K

3)In what patient would their systolic pressure be of concern?

120/80

125/85

115/65

155/95

4)How does blood in veins make it back to the heart?

Sympathetic nervous system stimulates smooth muscle in veins

Skeletal muscle contractions

one-directional valves

All of the above

answers 1 and 3 only

  


Voluntary: 1, 4; Involuntary: 2, 3, 5, 6

Voluntary: 4; Involuntary: 1, 2, 3, 5, 6

Voluntary: 3, Involuntary: 1, 2, 5, 6

Voluntary: 3, 2; Involuntary: 1, 4, 5, 6

Explanation / Answer

answer 1 ---- Voluntary: 3, 2; Involuntary: 1, 4, 5, 6 --- when we put food in mouth , only this situation is voluntary , rest of the things happening are involuntary --- food passes from oesophagus --- stomach -- small intestine --- large intestine -- the events happening here are not under our control that is they are involuntary.

answer 2 --- Vitamin B12 --- it is a water soluble vitamin , so if taken in excess it can pass through urine.

answer 3 -- 155/95.

answer 4 -- Sympathetic nervous system stimulates smooth muscle in veins.