Anatomy and Physiology

    Gastrointestinal System
    Which enzyme below digests proteins?
    The syllable “-peptid-” refers to proteins (which are polypeptides).
    Author: rikazzz Comment
    Nervous System
    The inner ear (or internal ear) may be described as a series of tubes. What are the tubes filled with?
    Both perilymph and endolymph are contained in the scalae of the cochlea and the semi-circular canals of the labyrinth. The middle ear contains air.
    Author: rikazzz Comment
    Gastrointestinal System
    What is a function of the SMALL intestine? To:
    The small intestine has a very large surface area which makes it well suited to absorbing the products of digestion.
    Author: rikazzz Comment
    Organisation of the Body
    Which plane of the body divides it into dorsal and ventral regions?
    Dorsal and ventral = front and back – a coronal section so divides the body into these sections.
    Author: rikazzz Comment
    The Physics of Waves: Light Waves, Sound Waves and Ultrasound
    In a wave, what is the distance between two adjacent troughs called?
    The length of a wave is the distance between the two nearest points that are undergoing the same movement. This is happening at two adjacent troughs (or two adjacent crests too).
    Author: rikazzz Comment
    Reproductive System
    Which cells are targeted by follicle-stimulating hormone (FSH) inducing the production of which of the listed products?
    FSH also targets nurse cells which promote spermiogenesis (they don’t produce testosterone). Thecal cells do produce androgens, but that comes after the granulosa proliferate.
    Author: rikazzz Comment
    Endocrine System
    Which of the following statements about endocrine hormones is always true?
    Endocrine hormones are also known as circulating (in blood) hormones.
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    Gastrointestinal System
    What the products of hydrolysis of lipids?
    A triglyceride is hydrolysed into two free fatty acids plus a monoglycerol. Chylomicrons are the structure within which fats are transported in the lymph and blood.
    Author: rikazzz Comment
    Cardiovascular System
    Which blood vessels allow blood to leave the heart and which allow blood to enter the heart?
    The aorta and pulmonary trunk carry blood away from the LV and RV (respectively), while the two venae cavae and four pulmonary veins bring blood into the RA and LA, respectively.
    Author: rikazzz Comment
    Measurement, Errors, Data and Unit Conversion
    How many micrograms are there in 0.25 g?
    Micrograms are smaller than grams, so there will be more of them. A million times more, so 0.25 × 106 = 250,000 μg (g to μg: shift the decimal point six places to the right).
    Author: rikazzz Comment