Formative 1 Flashcards
If pH = 7 and pKa = 7, what percentage of the solution will be ionised?
50%
What is the site of sperm production?
seminiferous tubules
What is sectioned and ligated in a common male sterilisation procedure?
vas deferens
What drains semen into the urethra?
ejaculatory duct
What’s walls are lined with secretory epithelium?
fundus of stomach
Where does the anal canal drain its venous blood?
directly to the systemic venous system
What is located between the transverse colon and the descending colon?
splenic flexure
Fracture of which rib could traumatise the kidney?
11
Which bone does not articulate with any others?
hyoid
What is part of the appendicular skeleton and is commonly used for obtaining bone marrow aspirates in the adult?
ilium
A fingertip inserted through the gastro omental foramen will be in which space?
lesser sac
What is a peritoneal strucutre attached to the greater curvature of the stomach?
greater omentum
What nerves are found in the mesentery of the sigmoid colon?
pelvic splanchnic nerves
What contains circularly arranged muscle in the form of an anatomical sphincter under somatic control?
anus
What contains circularly and longutidinally arranged muscle which is stimulated to contract by the pelvic splanchnic nerves?
sigmoid colon
Name a retroperitoneal structure under control of the postganglionic fibres from the celiac plexus.
third part of the duodenum
Which nerve is responsible for the muscle active in phonation?
vagus nerve
Which nerve is responsible for the muscle that constricts the pupi/l
occulomotor
Which nerve is responsible for the muscle that connects the zygomatic bone to the skin of the upper lip?
trigeminal
Which vessel would be occluded by an infected embolus from the valve if the patient suffered only a stroke involving the visual cortex?
second branch of arch of aorta
Which vessel would be occluded by an infected embolus from the valve if the patient complained of sharp stabbing pain well localised to the posterolateral part of an intercostal space?
branch of the descending thoracic aorta
Which vessel would be occluded by an infected embolus from the valve if the patient suffered loss of function in one upper limb only?
third branch of the arch of aorta
During the absorptive state, what is the main energy source?
glucose
Which complex does not pump protons as electrons through the respiratory chain?
2
How many NAD+ molecules are reduced int he degradation of palmitoyl-coA to form 8 molecules of acetyl-CoA?
7
In which cells is the enzyme glucose-6-phosphatase only found?
those with the ability to store glycogen
What is the carrier molecule for fatty acid transport through the inner mitrochondrial membrane?
carnitine
What is the mechanism used for the ATP synthesis in the glycolytic pathway?
substrate phosphorylation
Are malignant cells aneuploidy or diploidy?
aneuploidy
What is a malignant tumour derived from a glandular epithelial surface known as?
an adenocarcinoma
Do classical oncogenes act in a dominant or recessive manner?
dominant
Can oncogenes be activated by point mutation?
Yes
Can metaplasia be an adaptive response to stress?
Yes
Is metaplasia neoplastic?
No
What does metaplasia refer to?
an acquired form of altered differentation
Which disorder of growth is a developmental disorder?
Hypoplasia
For aspirin, a weak acid with a pKa of 3.5, the percentage of total molecules ionised at a pH of 5.5 is what?
99.00
What does double dose of a drug given as IV infusion do to its plasma concentration?
doubles it
Where should low risk clinical waste be put?
orange bag
What does reduction of pyruvate to lactate allow for recycling of?
NAD+
In which process does glycogen phosphorylase catalyse a reaction?
glycogen breakdown
What can reactivate from a latent state to form disease?
Herpes Simplex Virus
Which virus can cause cancer in humans?
HPV