MFDS Human Disease 3

Question 1

Hyperthyroidism in a dental patient most relevantly affects dental management by:

Accepted Answer

Increasing sensitivity to adrenaline and potential for thyroid crisis

Answer

Reducing the need for adrenaline precautions

Answer

Requiring antibiotic prophylaxis

Answer

Necessitating higher doses of LA

Question 2

Osteogenesis imperfecta is associated with which oral condition?

Accepted Answer

Dentinogenesis imperfecta

Answer

Hypodontia

Answer

Amelogenesis imperfecta

Answer

Taurodontism

Question 3

Which condition is characterised by episodic severe hypertension, headache and sweating due to excess catecholamine secretion?

Accepted Answer

Phaeochromocytoma

Answer

Addison's disease

Answer

Conn's syndrome

Answer

Cushing's syndrome

Question 4

Thrombocytopenia significant for dental practice (increased bleeding risk) is generally considered when platelets fall below:

Accepted Answer

50 × 10⁹/L

Answer

150 × 10⁹/L

Answer

80 × 10⁹/L

Answer

10 × 10⁹/L

Question 5

Sickle cell anaemia patients face which specific risk during general anaesthesia?

Accepted Answer

Sickling crisis triggered by hypoxia, dehydration or hypothermia

Answer

Malignant hyperthermia

Answer

Pseudocholinesterase deficiency

Answer

Prolonged neuromuscular blockade

Question 6

Leukaemia may present in the oral cavity with:

Accepted Answer

Gingival hyperplasia due to leukaemic infiltration

Answer

Enamel hypoplasia

Answer

Bifid uvula

Answer

Tori mandibulares