Histology past paper 4

What is NOT a function of the urinary system?

• Secretion of erythropoietin

• Conversion of vitamin D

• Detection of environmental stimuli due to tactile cells

• Regulation of acid-base balance

Ruffini endings are:

• Sensitive to vibration

• Sensitive to deep pressure

• Sensitive to light touch

• Sensitive to stretching

Nociceptors are:

• Pressure-sensitive cells

• Activated by painful stimuli

• Taste receptors

• Found only in the skin

Pruriceptors respond to:

• Heat

• Cold

• Pain

• Itch

What is true about the ciliary body?

• Contains rods and cones

• Has sebaceous glands

• Muscle responsible for accommodation is located here

• Forms the lens

Supporting cells of the Organ of Corti include:

• Goblet and Clara cells

• Inner/outer pillar cells, Dieter cells, cells of Hensen, Claudius, Bottcher

• Merkel and Langerhans cells

• Type I and II pneumocytes

Parietal (oxyntic) cells:

• Produce pepsinogen

• Secrete mucus

• Produce HCl and intrinsic factor

• Are not stimulated by gastrin

Gingival epithelium is composed of:

• Non-keratinized columnar

• Keratinized stratified squamous

• Cuboidal epithelium

• Transitional epithelium

Brunner’s glands secrete:

• Hydrochloric acid

• Alkaline mucus

• Digestive enzymes

• Pepsinogen

Gustatory cells:

• Are another name for sebaceous cells

• Are located only on filiform papillae

• Are also called taste receptor cells

• Secrete mucus