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Mocks > MedSoc SBA > Flashcards

MedSoc SBA Flashcards

1
Q

What are the signs of a UMN lesion?

A

Hyperreflexia, Maintained muscle, No fasciculations

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2
Q

What are the signs of a LMN lesion?

A

Hyporeflexia, Severe muscle atrophy, Fasciculations

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3
Q

Would increased dietary protein intake lead to an increase or decrease in GFR?

A

An increase - high dietary proteins can lead to afferent arteriole dilation

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4
Q

Compression of which nerve would cause a foot drop?

A

Common peroneal nerve

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5
Q

How is T4 converted to T3?

A

In peripheral tissues by 5-deiodinase

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6
Q

What is an example of an insensible water loss?

A

Water loss due to evaporation from the skin?

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7
Q

What cell type lines most of the surface of an alveoli?

A

Type 1 pneumocytes.

Type 2 are more numerous but type 1 are squamous and so are responsible for more of the SA

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8
Q

Where does the majority of starch digestion occur?

A

The small intestine

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9
Q

During foetal development, what thickens during the 3rd week to form the neural plate?

A

Ectoderm, neural tissue comes from ectoderm

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10
Q

What is the effect of increased cortisol effect on female hormones?

A

Decrease in progesterone and oestrogen

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11
Q

Give the equation for MAP?

A

MAP = DP +1/3PP

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12
Q

Give the equation for BP?

A

CO x TPR

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13
Q

What is oestrogen secreted in the luteal phase of menstruation?

A

Corpus luteum

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14
Q

How much energy is in fibre?

A

2kcal/g

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15
Q

What is a phase 1 reaction in liver detoxification?

A

Reactions that add an OH molecule or remove molecules to leave behind an OH molecule, increasing solubility

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16
Q

What FEV1:FVC ratio would be suggestive of a COPD diagnoses?

A

Less than 0.7

17
Q

What molecule is permeable through the phospholipid bilayer?

A

Urea (small and uncharged polar molecules)

18
Q

What signs would you expect to see with a spinal cord hemisection (Brown Sequard)?

A

Ipsilateral: Loss of fine touch, proprioception, vibration, and motor impairment
Contralateral: Loss of pain and temperature

19
Q

What is the purpose of the glucose alanine cycle?

A

To transport ammonium from the muscles to the liver

20
Q

Which ECG leads show inferior view of the heart?

A

II, III, aVF

21
Q

What are central venous pressure and severe pulmonary hypertension signs of?

A

Left sided heart failure (Pulmonary hypertension may CAUSE right sided heart failure)

22
Q

Which part of the heart does the RCA supply?

A

Right atrium and ventricle

23
Q

What causes secretin secretion and where is it secreted from?

A

Low duodenal pH, small intestine

24
Q

During what part of the menstrual cycle does ischaemic necrosis of the functional endometrium occur?

A

Day 1-4

25
Q

What are the signs of post-hepatic jaundice?

A

Dark urine, pale stools

26
Q

Which nerves carry afferent impulses from peripheral chemoreceptors?

A

CN 9 and CN 10

27
Q

What % of respiratory control are central chemoreceptors responsible for?

A

60%

28
Q

What is another name for the inferior optic radiation?

A

Meyer’s Loop

29
Q

What is another name for the superior optic radiation?

A

Baum’s Loop

30
Q

What is the space behind the hepatoduodenal ligament called?

A

The epiploic foramen of Winslow

31
Q

Which ion is used as a co-transporter for the absorption of amino acids?

A

Na+

32
Q

Which ion is used as a co-transporter for the absorption of peptides?

A

H+

33
Q

What is the name of the structure that unites the two lobes of the thyroid?

A

The isthmus

34
Q

What hormone signals satiety following meals?

A

CCK

35
Q

What ion channel maintains action potentials in the SA and AV nodes?

A

L type Ca2+ channels (T type Ca2+ channels initiate action potentials)

35
Q

What ion channel maintains action potentials in the SA and AV nodes?

A

L type Ca2+ channels (T type Ca2+ channels initiate action potentials)

Mocks (17 decks)

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