Monday Flashcards
What muscles and nerves are derived from the first branchial arch?
“M’s and T’s”
- Muscles
- Muscles of mastication
- Mylohyoid
- Tensor Tympani
- Tensor veli palatini
- Nerves
- Trigeminal
- Mandibular branch
- Maxillary branch
- Trigeminal
Which amino acids are found in large quantities in elastin?
Proline
Glycine
What is the MOA of adenosine as an antiarrhythmic?
- Increased K+ out of cell
- Decreased intracellular Ca2+ => No depolarization
- This stops the heart transiently
What is the lymphatic drainage of the following parts of the rectum?
- Upper
- Lower, above pectinate line
- Lower, below pectinate line
- Upper
- Pararectal
- Lower, above pectinate line
- Internal iliac
- Lower, below pectinate line
- Superficial inguinal nodes
What is the lymphatic drainage of the testes? The scrotum?
- Testes
- Para-aortic
- B/c actually from abdomen; Same as ovaries
- Scrotum
- Superficial inguinal
- Truely is a superficial structure
What muscles and nerves are derived from the second branchial arch?
“S’s”
- Muscles
- MM of Facial expression
- Stylohyoid
- Stapedius
- Nerves
- CN Seven (Facial)
What is the antidote to Opioid overdose?
Naloxone
Naltrexone
What is the antidote to Benzodiazepine overdose?
Flumazinil
What is the antidote to TCA overdose?
Ammonium Chloride
(NH4Cl)
What is the antidote to Heparin overdose?
Protamine Sulfate
Heparin = H (like H+) = proton = protamine sulfate
What is the antidote to Theophylline overdose?
Beta blocker
What muscles and nerves are derived from the third branchial arch?
“Pharyngeal”
- Muscles
- Stylopharyngeus
- Nerve
- Glossopharyngeal
What muscles and nerves are derived from the fourth and sixth branchial arches?
- Nerves: CN X
- 4: superior laryngeal
- 6: recurrent laryngeal (speech)
- Muscles
- 4: cricoid, pharyngeal muscles
- 6: intrinsic mm of larynx except cricoid (speech)
*** 6 = think speech
What heart defect is associated with Chromosome 22q11 deletion?
Truncus arteriosus
Tetralogy of Fallot
(Chromosome Twenty-two q11 del = Truncus and Tetrology)
What heart defect is associated with Congenital Rubella?
PDA
Pulmonary artery stenosis
(R and P are close together in the alphabet)
What heart defect is associated with Turner Syndrome?
Coarctation of aorta
Bicuspid aortic valve
What heart defect is associated with Marfan?
Aortic Insufficiency
What surface markers are present on macrophages?
- CD14
- CD40
- MHC II
- B7
What surface markers are on NK cells?
- CD16
- Binds Fc of IgG
- CD 56
- Unique to NK cells
What heart sound is associated with dilated congestive heart failure?
S3
What heart sound is associated with chronic HTN and a stiffened left ventricle?
S4
Which viral vaccines are potentially dangerous to patients with an egg allergy?
Influenza
Yellow Fever
Which vaccines are Live Attenuated?
“Attention! Please Vaccinate Young Infants w/ MMR Regularly”
- Attenuated
- Polio (Saben, oral)
- Varicella
- Yellow Fever
- _I_ntranasal _I_nfluenza
- MMR
- Rotavirus
What germ layer gives rise to the Thymus?
Endoderm
What germ layer gives rise to the Spleen?
Mesoderm
(Derived from foregut messentery)
What germ layer gives rise to the the Aorticopulmonary Septum?
Neural crest
What germ layer gives rise to the Anterior pituitary?
Surface ectoderm
What germ layer gives rise to the Bones of the skull?
Neural crest
