Subject Experts Solutions for Exercise 2: HOTS HIGHER ORDER THINKING SKILLS

During strenuous exercise, the muscle interstitial fluid PO2 falls to $20\mathrm{mm}$ Hg. The oxygen delivered by the blood that passes through the exercising muscle tissues will be?

Which of the labelled blood vessels $A, B, C$ or $D$ carries oxygenated blood?

What is the value of $W,X,Y\text{ and }Z\mathrm{normally} \text{(in }mmHg)?$

Which of these is incorrect regarding the given mechanism of breathing?

In the given mechanism, diaphragm, sternum and intercostal muscles work together to _________ the thoracic volume and thereby pulmonary volume. This leads to an _________ intra-pulmonary pressure to slightly __________ the atmospheric pressure, causing expiration. Select the correct sequence of words to complete the above paragraph.

If $P_{\text{atm }}=0 \mathrm{mmHg}$ and $P_{\text{alv }}=-2 \mathrm{mmHg}$, then

If alveolar ventilation is $4200\mathrm{mL}/\min ,$ respiratory frequency is 12 breaths per minute, and tidal volume is $500 \mathrm{mL},$ what is the anatomical-dead-space ventilation?

Refer to the given diagrammatic representation of the transportation of oxygen and carbon dioxide in the blood. $P, Q, R, S$ and $T$ represent percentage of both gases in different forms. Select the correct option for P-T.