Week 11

Question 1

Q1. Which of the following statements regarding lymphatic capillaries is INCORRECT?

(a) are blind-ended
(b) deliver fat absorbed from the digestive system into the circulation
(c) drain approximately 3 litres of interstitial fluid /day
(d) drain interstitial fluid directly into blood capillaries

Answer 1

(d) drain interstitial fluid directly into blood capillaries

Question 2

Q2. Follicles in lymph nodes are best described as

(a) regions of densely packed lymphocytes
(b) a superficial layer of dense irregular connective tissue
(c) extensions of capsule that divide node structures
(d) the vessels which deliver lymph to the node

Answer 2

(a) regions of densely packed lymphocytes

Question 3

Q3. The clusters of lymph nodes around the armpit region are called ……… lymph nodes

(a) inguinal
(b) brachial
(c) axillary
(d) cervical

Answer 3

(c) axillary

Question 4

Q4. Which major lymphatic vessel drains the left side of the head, neck and chest, the
left upper limb and the entire body inferior to the ribs?
(a) the left subclavian vein
(b) the right lymphatic duct
(c) the cisterna chyli
(d) the thoracic duct

Answer 4

(d) the thoracic duct

Question 5

Name the partitions inside a lymph node

(a) hilus
(b) germinal centre
(c) trabecula
(d) medullary cord
(e) afferent lymphatic vessel

Answer 5

(c) trabecula

Question 6

Q6. Which of the following cells is the most numerous in the skin?
a - Merkel cell
b - Keratinocyte
c - Melanocyte
d - Langerhans cell

Answer 6

b - Keratinocyte

Question 7

Q7. All of the following structures in the skin are derived solely from epithelial tissue
except
(a) Sebaceous glands
(b) Sweat glands
(c) Hair
(d) Touch receptors

Answer 7

(d) Touch receptors

Question 8

Q8.
Which of the following cell types found in the skin are involved with providing
immunity from pathogens?
(a) Langerhans cell
(b) Melanocyte
(c) Keratinocyte
(d) Merkel cell

Answer 8

(a) Langerhans cell

Question 9

Q9. The layer of the epidermis where you would find a nucleus of a melanocyte is
the:
(a) Stratum corneum.
(b) Stratum lucidum.
(c) Stratum germinativum (basale).
(d) Stratum spinosum.

Answer 9

(c) Stratum germinativum (basale).

Question 10

Q10. Goosebumps are a consequence of:

(a) secretion of sebum.
(b) blockage of hair follicles.
(c) contraction of dermal papillae.
(d) contraction of arrector pili cells.

Answer 10

(d) contraction of arrector pili cells.