Search found 66 matches

by jxxu20
January 3rd, 2020, 3:25 pm
Forum: 2020 Question Marathons
Topic: Anatomy and Physiology B/C
Replies: 114
Views: 14407

Re: Anatomy and Physiology B/C

1a. Rocky the rock climber suffered a severe injury to his arm after a boulder hit it from above (ahh! Flying boulders!). In the hospital, doctors found that his urine was brownish-red in color. Moreover, after performing a blood test, high K+ concentrations were found. ECGs taken showed cardiac irr...
by jxxu20
January 1st, 2020, 4:48 pm
Forum: 2020 Question Marathons
Topic: Anatomy and Physiology B/C
Replies: 114
Views: 14407

Re: Anatomy and Physiology B/C

1. Joints can either be fibrous, cartilaginous, or synovial. Fibrous -- syndesmosis (ex: b/t tibia-fibula), suture (in the cranium), or gomphosis (attaching teeth to mandible). Cartilaginous -- synchondrosis (b/t rib & sternum) or symphysis (pubic symphysis). Synovial -- ball and socket (shoulder),...
by jxxu20
December 2nd, 2019, 1:44 pm
Forum: 2020 Study Events
Topic: Astronomy C
Replies: 80
Views: 17151

Re: Astronomy C

Hi guys! I can't seem to find any detailed info on the three quasars (DSO section) ... apparently, they were discovered quite recently. If anyone knows any resources for this section, please let me know. Any help is greatly appreciated :)
by jxxu20
November 30th, 2019, 2:10 pm
Forum: 2020 Question Marathons
Topic: Anatomy and Physiology B/C
Replies: 114
Views: 14407

Re: Anatomy and Physiology B/C

1. Bob has carpal tunnel syndrome. Non-surgical methods to treat his condition include wrist splinting, NSAIDS, and corticosteroids. Surgery can be provided to relieve pressure by cutting the ligament in front of the median nerve of the forearm. 2. The patient has athlete's foot/tinea pedis. It occ...
by jxxu20
November 28th, 2019, 10:01 am
Forum: 2020 Question Marathons
Topic: Heredity B/Designer Genes C
Replies: 82
Views: 11132

Re: Heredity B/Designer Genes C

1. DNA polymerase 2?
2. Covalent
3. Polymerase chain reaction: involves Taq polymerase and DNA primers making many copies of a region of DNA in three steps (denaturation, annealing, extension).
by jxxu20
November 28th, 2019, 9:52 am
Forum: 2020 Question Marathons
Topic: Anatomy and Physiology B/C
Replies: 114
Views: 14407

Re: Anatomy and Physiology B/C

All correct -- your turn!
by jxxu20
November 3rd, 2019, 12:58 pm
Forum: 2020 Question Marathons
Topic: Anatomy and Physiology B/C
Replies: 114
Views: 14407

Re: Anatomy and Physiology B/C

1. What three pigments are responsible for skin color? Describe in one or two sentences the purpose of each. 2. What component of the skin is responsible for causing goosebumps, and what is it innervated by? 3. Why are epidermal lamellar secretions important to the skin? In which layer of the epider...
by jxxu20
September 14th, 2019, 8:06 am
Forum: 2020 Question Marathons
Topic: Heredity B/Designer Genes C
Replies: 82
Views: 11132

Re: Heredity B/Designer Genes C

1:2:1
by jxxu20
July 23rd, 2019, 1:27 pm
Forum: 2019 Study Events
Topic: Disease Detectives B/C
Replies: 203
Views: 37356

Re: Disease Detectives B/C

This might be a little bit early, but should participants in Division C know Koch's Postulates? I'm new to this event and did research on everything mentioned in 2019's rules, which included Hill's criteria for causality; thus, is it necessary to research the postulates? Also, this question has defi...
by jxxu20
March 11th, 2019, 1:26 pm
Forum: 2019 Question Marathons
Topic: Anatomy and Physiology B/C
Replies: 179
Views: 25007

Re: Anatomy and Physiology B/C

1. UTI
2. Brain, cornea of the eye, bone marrow
3. Fewer gap junctions, fiber diameter decreased
4. Neurogenic DI is caused by a decreased secretion of ADH; nephrogenic DI is caused by the kidneys' decreased ability to concentrate urine because of resistance to ADH action.

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